“The moon! Look at the moon, master!” the acolyte cried. The moon grew narrower and narrower, shrinking under a shadow. The Master had seen this happen before. The charts predicted an eclipse, but the Youngling has never seen such a thing. “We must save the moon, master,” said the acolyte. “Worry not, youngling,” said the master. “See how the tides remain in order. The moon remains in its place, though now its face is hidden.” Then he slapped the acolyte hard across the face. “The moon...